Add basic SDL example

Author: Exanite

Silk.NET.sln

@@ -118,6 +118,10 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "OpenAL", "OpenAL", "{662A1A
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Tutorial001.HelloSound", "examples\CSharp\OpenAL\Tutorial001.HelloSound\Tutorial001.HelloSound.csproj", "{946C912C-5BBB-446A-A566-0D1696D19F59}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Tutorial001.HelloWindow", "examples\CSharp\SDL\Tutorial001.HelloWindow\Tutorial001.HelloWindow.csproj", "{3444151F-2DE3-41BC-B5E0-EFBF0091C087}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "SDL", "SDL", "{96567E92-4A89-4AC8-9F20-C2A3FE644D10}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -196,7 +200,11 @@ Global
 		{946C912C-5BBB-446A-A566-0D1696D19F59}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{946C912C-5BBB-446A-A566-0D1696D19F59}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{946C912C-5BBB-446A-A566-0D1696D19F59}.Release|Any CPU.Build.0 = Release|Any CPU
-    EndGlobalSection
+		{3444151F-2DE3-41BC-B5E0-EFBF0091C087}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3444151F-2DE3-41BC-B5E0-EFBF0091C087}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3444151F-2DE3-41BC-B5E0-EFBF0091C087}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3444151F-2DE3-41BC-B5E0-EFBF0091C087}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
@@ -235,6 +243,8 @@ Global
 		{946C912C-5BBB-446A-A566-0D1696D19F59} = {662A1AEC-91F2-48FA-AA29-6F27038D30F2}
 		{5E20252F-E2A0-46C9-BBEF-4CE5C96D0E07} = {DD29EA8F-B1A6-45AA-8D2E-B38DA56D9EF6}
 		{E5E8FFBF-1319-4D33-B084-E732656E8A04} = {5E20252F-E2A0-46C9-BBEF-4CE5C96D0E07}
+		{96567E92-4A89-4AC8-9F20-C2A3FE644D10} = {12B4D1CB-8938-4EC4-8895-79C4E6ABD1E8}
+		{3444151F-2DE3-41BC-B5E0-EFBF0091C087} = {96567E92-4A89-4AC8-9F20-C2A3FE644D10}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {78D2CF6A-60A1-43E3-837B-00B73C9DA384}

examples/CSharp/SDL/Tutorial001.HelloWindow/Program.cs

@@ -0,0 +1,42 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using Silk.NET.SDL;
+
+if (!Sdl.Init(Sdl.InitVideo))
+{
+    throw new Exception($"SDL failed to initialize: {Sdl.GetError().ReadToString()}");
+}
+
+var window = Sdl.CreateWindow("Silk.NET.SDL - Hello Window", 800, 600, Sdl.WindowResizable);
+if (window == nullptr)
+{
+    throw new Exception("Failed to create window");
+}
+
+try
+{
+    var renderer = Sdl.CreateRenderer(window, nullptr);
+    {
+        var shouldRun = true;
+        while (shouldRun)
+        {
+            var e = default(Event);
+            Sdl.PollEvent(e.AsRef());
+
+            if (e.Type == (uint)EventType.Quit)
+            {
+                shouldRun = false;
+            }
+
+            Sdl.SetRenderDrawColor(renderer, 0, 255, 0, 255);
+            Sdl.RenderClear(renderer);
+            Sdl.RenderPresent(renderer);
+        }
+    }
+    Sdl.DestroyWindow(window);
+}
+finally
+{
+    Sdl.Quit();
+}

examples/CSharp/SDL/Tutorial001.HelloWindow/Tutorial001.HelloWindow.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net10.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\..\..\..\sources\SDL\SDL\Silk.NET.SDL.csproj" />
+    </ItemGroup>
+
+</Project>